• 4 EAST 2.48

Accepting PhD Students

1986 …2019
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Research Output 1986 2019

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Paper
2017

Comparison of methods for measuring pump flow ripple and impedance

Bramley, C. & Johnston, D., 17 Oct 2017.

Research output: Contribution to conferencePaper

Pumps
Networks (circuits)
Transducers
Fluids
Testing
2016
2 Citations (Scopus)

Hybrid fluid-borne noise control in fluid-filled pipelines

Pan, M., Johnston, D. & Plummer, A., Jul 2016.

Research output: Contribution to conferencePaper

2015
24 Downloads (Pure)
File
Hydraulics
Analytical models
Flow rate
Computer simulation
2013

Control of a fast switching valve for digital hydraulics

Sell, N., Johnston, N. & Plummer, A., 3 Jun 2013.

Research output: Contribution to conferencePaper

A high flow fast switching valve for digital hydraulic systems

Johnston, N., Kudzma, S., Plummer, A., Sell, N., Hillis, A. & Pan, M., 24 Oct 2012.

Research output: Contribution to conferencePaper

Hybrid active-passive electro-hydrostatic vibration isolation for rotorcraft

Henderson, J-P., Plummer, A. & Johnston, N., 13 Jun 2012.

Research output: Contribution to conferencePaper

2011

Computer Modeling of a Pressure Relief Cartridge Valve

Faulkner, J., Johnston, N. & Weber, S., Mar 2011.

Research output: Contribution to conferencePaper

The Influence of Wave Effects on Digital Switching Valve Performance

Wang, P., Kudzma, S., Johnston, N., Plummer, A. & Hillis, A., 21 Sep 2011.

Research output: Contribution to conferencePaper

2010
22 Citations (Scopus)

A switched inertance device for efficient control of pressure and flow

Johnston, D. N., 2010, p. 589-596. 8 p.

Research output: Contribution to conferencePaper

Electric power utilization
Hydraulics
26 Downloads (Pure)

Condition Monitoring of Aircraft Fuel Pumps using Pressure Ripple Measurements

Johnston, D. N. & Todd, C., 15 Sep 2010, p. 161-174. 14 p.

Research output: Contribution to conferencePaper

File
Aircraft fuels
Fuel pumps
Condition monitoring
Pressure measurement
Bearings (structural)
47 Downloads (Pure)

Flow ripple reduction in power steering hydraulic pumps

Zanetti Rocha, L., Johnston, D. N. & Gerges, S. N. Y., 15 Sep 2010, p. 187-200. 14 p.

Research output: Contribution to conferencePaper

File
Hydraulics
Pumps
Acoustic noise
Rotors
Fluids

Use of Pipeline Wave Propagation Model for Measuring Unsteady Flowrate

Johnston, D. N. & Pan, M., 15 Sep 2010, p. 307-320. 14 p.

Research output: Contribution to conferencePaper

Wave propagation
Transducers
Pipelines
Unsteady flow
Time measurement
2009
Hydraulics
Fluids
Dynamic response
Active noise control
Notch filters
2008

Adaptive attenuation of narrow band fluid borne noise in a simple hydraulic system

Wang, L. & Johnston, D. N., Sep 2008, p. 357-368. 12 p.

Research output: Contribution to conferencePaper

Hydraulics
Fluids
Notch filters
Adaptive filters
White noise
23 Downloads (Pure)

Condition monitoring and fault diagnosis for vane pumps using flow ripple measurement

Yang, M., Edge, K. A. & Johnston, D. N., Sep 2008, p. 43-54. 12 p.

Research output: Contribution to conferencePaper

Open Access
File
Vane pumps
Condition monitoring
Flow measurement
Failure analysis
Pumps

Modeling for a High-Bandwidth High-Flow Valve Design Based on Horbiger Plate Operation

Branson, D. T., Wang, F. C., Johnston, D. N., Tilley, D. G., Bowen, C. R. & Keogh, P. S., 2008, p. 967-972. 6 p.

Research output: Contribution to conferencePaper

Flow rate
Bandwidth
Reels
Piezoelectric actuators
Orifices
4 Citations (Scopus)

Piezoelectric actuators for screw-in cartridge valves

Ouyang, X., Tilley, D., Keogh, P., Yang, H., Johnston, D. N., Bowen, C. & Hopkins, P., Jul 2008.

Research output: Contribution to conferencePaper

Simulation of Piezoelectric high-speed digital valves

Ouyang, X., Yang, H., Jiang, H. & Johnston, D. N., 2008, p. 183-197. 15 p.

Research output: Contribution to conferencePaper

Flow rate
Hydraulic drives
Piezoelectric actuators
Positive ions
Mathematical models
2007
3 Citations (Scopus)

Measurement of wave propagation characteristics of flexible hoses

Johnston, D. N., Nov 2007.

Research output: Contribution to conferencePaper

hoses
wave propagation
bulk modulus
stiffness
Nylon (trademark)
2006

Modelling of a Hydraulic Steering System

Pfeffer, P. E., Harrer, M. & Johnston, D. N., 2006.

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Prediction of hydraulic inertance using acoustic measurements and CFD modelling

Boyd, L. J., Andrew, R. P., Collett, A. P. S., Johnston, D. N., Tilley, D. G. & Edge, K. A., 2006, p. 1-9. 9 p.

Research output: Contribution to conferencePaper

Computational fluid dynamics
Acoustics
Hydraulics
Fluids
Geometry

Steering Feel - Objective Assessment of Passenger Cars - Analysis of Steering Feel and Vehicle Handling

Harrer, M., Pfeffer, P. E. & Johnston, D. N., 2006.

Research output: Contribution to conferencePaper

2005

A Comparative Study of Modelling Techniques for Laminar Flow Transients in Hydraulic Pipelines

Soumelidis, M., Johnston, D. N., Edge, K. A. & Tilley, D. G., 2005.

Research output: Contribution to conferencePaper

Energy consumption of electro-hydraulic power steering systems

Pfeffer, P. E., Johnston, D. N. & Harrer, M., 2005.

Research output: Contribution to conferencePaper

2004
Motion control
Power transmission
Pneumatics
Electric lines
Hydraulics

Efficient methods for numerical modeling of laminar friction in fluid lines

Johnston, D. N., Nov 2004.

Research output: Contribution to conferencePaper

2003

Impedance characteristics of cartridge relief valve

Brunelli, M., Johnston, D. N. & Edge, K. A., 2003.

Research output: Contribution to conferencePaper

2002

Mathematical modelling of a load control valve

Weber, S. T., Johnston, D. N. & Edge, K. A., Mar 2002.

Research output: Contribution to conferencePaper

3 Citations (Scopus)

Prediction of hydraulic inductance

Johnston, D. N., Nov 2002, p. 85-92. 8 p.

Research output: Contribution to conferencePaper

Inductance
Hydraulics
Fluids
Reels
Geometry
2001

Flow visualisation of a load control valve

Weber, S. T., Johnston, D. N. & Edge, K. A., 2001.

Research output: Contribution to conferencePaper

2000

Recent research into cartridge style hydraulic valves

Weber, S. T., Johnston, D. N., Edge, K. A. & Burrows, C. R., 2000.

Research output: Contribution to conferencePaper

1999

Generation and transmission of fluid-borne noise

Johnston, D. N., 1999.

Research output: Contribution to conferencePaper

1998
11 Citations (Scopus)

Simulation of Suction Flow Ripple in Power Steering Pumps

Jones, B. L., Johnston, D. N. & Longmore, D. K., 1998.

Research output: Contribution to conferencePaper

1997
4 Citations (Scopus)

Experimental validation of pipeline models for laminar and turbulent transient flow

Taylor, S. E. M., Johnston, D. N. & Longmore, D. K., Nov 1997, p. 105-111. 7 p.

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Measurement of the dynamic properties of hose walls required for modelling fluid-borne noise

Longmore, D. K., Johnston, D. N. & Drew, J. E., 1997, p. 99-104. 6 p.

Research output: Contribution to conferencePaper

Sources of noise in power steering systems

Jones, B. L., Johnston, D. N. & Longmore, D. K., 1997.

Research output: Contribution to conferencePaper

1995

The Systematic Design Of Low Noise Power Steering Systems

Drew, J. E., Longmore, D. K. & Johnston, D. N., 1995.

Research output: Contribution to conferencePaper

1994

A technique for the measurement of the transfer matrix characteristics of two-port hydraulic components

Johnston, D. N., Longmore, D. K. & Drew, J. E., 1994.

Research output: Contribution to conferencePaper

Fluid borne noise characteristics of hydraulic filters and silencers

Lau, K. K., Edge, K. A. & Johnston, D. N., 1994.

Research output: Contribution to conferencePaper

Measurement of the transfer matrix characteristics of hydraulic filters and silencers

Lau, K. K., Edge, K. A. & Johnston, D. N., Sep 1994.

Research output: Contribution to conferencePaper

Rating of pump fluid-borne noise

Johnston, D. N. & Longmore, D. K., Nov 1994.

Research output: Contribution to conferencePaper

The noise characteristics of power steering systems

Drew, J. E., Longmore, D. K. & Johnston, D. N., May 1994.

Research output: Contribution to conferencePaper

1993

A hydraulic tappet with variable timing properties

Mathieson, M. F., Charlton, S. J., Johnston, D. N., Horrocks, R. & Watts, M., 1993.

Research output: Contribution to conferencePaper

Hydraulics
Engines
Diesel engines
Intake valves
Cams

Experimental and computational study of pumping dynamics and valve operation in a reciprocating pump

Johnston, D. N., Edge, K. A., Vaughan, N. D. & Raggett, M., 1993, p. 1-8. 8 p.

Research output: Contribution to conferencePaper

Reciprocating pumps
Pumps
Corrosive effects
Flow velocity
Vibrations (mechanical)

Practical requirements for modelling the dynamics of hydraulic pipelines

Sanada, K., Richards, C. W., Longmore, D. K., Johnston, D. N. & Burrows, C. R., 1993.

Research output: Contribution to conferencePaper

1991

A hydraulic cam follower with variable timing properties

Charlton, S. J., Johnston, D. N., Pennington, G. J., Murden, B. F. & Reeves, D., Jun 1991.

Research output: Contribution to conferencePaper

Pumps
Fluids
Hydraulics
Frequency domain analysis
Pipe

Test method for measurement of pump fluid-borne noise characteristics

Johnston, D. N. & Edge, K. A., 1991, p. 1-10. 10 p.

Research output: Contribution to conferencePaper

Pumps
Fluids
Hydraulics
Frequency domain analysis
Pipe